Specification of half ball lens as follow:
Diameter (mm):0.5mm-100mm
Radius Tolerance (μm):+0/-0.01
Center Thickness Tolerance:(mm) ±0.01
Surface Quality:20-10
Substrate:N-BK7 or other optical material
Coating:None or as requested
RoHS Compliant
Half-ball (hemispherical) lens are ideal for applications such as fiber communication, endoscopy, microscopy, optical pick-up devices, and laser measurement systems.